diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs
index a2c0ad5f6de..a102e5b3390 100644
--- a/tests/run-make/compiler-builtins/rmake.rs
+++ b/tests/run-make/compiler-builtins/rmake.rs
@@ -35,7 +35,7 @@ fn main() {
     let rustc = env_var("RUSTC");
     let bootstrap_cargo = env_var("BOOTSTRAP_CARGO");
     let mut cmd = cmd(bootstrap_cargo);
-    cmd.args([
+    cmd.args(&[
         "build",
         "--manifest-path",
         manifest_path.to_str().unwrap(),
diff --git a/tests/run-make/rustdoc-map-file/rmake.rs b/tests/run-make/rustdoc-map-file/rmake.rs
index de75561c9fb..08f9595ef9f 100644
--- a/tests/run-make/rustdoc-map-file/rmake.rs
+++ b/tests/run-make/rustdoc-map-file/rmake.rs
@@ -9,5 +9,5 @@ fn main() {
         .output(&out_dir)
         .run();
     // FIXME (GuillaumeGomez): Port the python script to Rust as well.
-    assert!(python_command().arg("validate_json.py").arg(&out_dir).status().unwrap().success());
+    python_command().arg("validate_json.py").arg(&out_dir).run();
 }
diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs
index c9650def347..bfe4a1df456 100644
--- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs
+++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs
@@ -56,5 +56,5 @@ fn main() {
         .arg(&ex_dir)
         .run();
 
-    assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("src/lib.rs").run();
 }
diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs
index 41efb837458..6bf48a94a49 100644
--- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs
+++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs
@@ -45,5 +45,5 @@ pub fn scrape(extra_args: &[&str]) {
     }
     rustdoc.run();
 
-    assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("src/lib.rs").run();
 }
diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs
index c28821b7628..bfda2d97888 100644
--- a/tests/run-make/rustdoc-themes/rmake.rs
+++ b/tests/run-make/rustdoc-themes/rmake.rs
@@ -28,5 +28,5 @@ fn main() {
     std::fs::write(&test_css, test_content).unwrap();
 
     rustdoc().output(&out_dir).input("foo.rs").arg("--theme").arg(&test_css).run();
-    assert!(htmldocck().arg(out_dir).arg("foo.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("foo.rs").run();
 }
diff --git a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs
index 405da8412ae..ded89c9ae79 100644
--- a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs
+++ b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs
@@ -3,5 +3,5 @@
 fn main() {
     let out_dir = "rustdoc";
     rustdoc().input("src/lib.rs").crate_name("foobar").crate_type("lib").output(&out_dir).run();
-    assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("src/lib.rs").run();
 }
diff --git a/tests/run-make/rustdoc-with-output-option/rmake.rs b/tests/run-make/rustdoc-with-output-option/rmake.rs
index a3b1c8ca0dd..f7fbbec6986 100644
--- a/tests/run-make/rustdoc-with-output-option/rmake.rs
+++ b/tests/run-make/rustdoc-with-output-option/rmake.rs
@@ -12,5 +12,5 @@ fn main() {
         .arg(&out_dir)
         .run();
 
-    assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("src/lib.rs").run();
 }
diff --git a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs
index b536fbe2303..4a8896cc975 100644
--- a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs
+++ b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs
@@ -12,5 +12,5 @@ fn main() {
         .arg(&out_dir)
         .run();
 
-    assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success());
+    htmldocck().arg(out_dir).arg("src/lib.rs").run();
 }